Malus's Law is given below. It has the form of a $cos^2$ curve. Move the sliders in the online calculator or Excel file to investigate the changes in the curve. Then, match the variables x, A, B, C, D and Illum to their respective descriptions.\ Illum = Acos(B*x + C)$^2$ + D\ frequency\ X-offset (optical rotation)\ Y-offset\ amplitude\ angle between polarizers\ Intensity of light passing through polarizers
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Illum: This refers to the illumination or brightness of the light. It can be represented by the variable "Illum". Show more…
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Unpolarized light with intensity $I_{\text {in }}=1.87 \mathrm{~W} / \mathrm{m}^{2}$ passes through two polarizers. The emerging polarized light has intensity $I_{\text {out }}=0.383 \mathrm{~W} / \mathrm{m}^{2}$. What is the angle between the two polarizers? a) $23.9^{\circ}$ c) $50.2^{\circ}$ e) $88.9^{\circ}$ b) $34.6^{\circ}$ d) $72.7^{\circ}$
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Unpolarized light is incident on two polarizers whose transmission axes are parallel to each other. Calculate the angle by which one of them must be rotated so that the transmitted intensity is half of the intensity incident on the second polarizer.
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